Thinnest Watch Weighs Less Than Five Pennies

The CST-01 watch on Kickstarter may weigh less than 12 grams, but doesn't lack sophistication or style. The singular stainless steel band bears an e-ink screen and a micro-energy cell, which can be recharged 10,000 times and last more than 15 years. The watch comes with a charging magnetic station. You'll know it's properly attached when you hear a snap.

The project has already successfully raised $821,261, more than $620,000 of its initial $200,000 goal. The developers will start the timepiece's initial manufacturing run after the crowdfunding campaign ends in 13 days.